For the following questions answer them individually
Which of the following reactions is appropriate for converting acetamide to methanamine?
A gas is allowed to expand in a well insulated container against a constant external pressure of 2.5 atm from an initial volume of 2.50 L to a final volume of 4.50 L. The change in internal energy $$\triangle U$$ of the gas in joules will be
Extraction of gold and silver involves leaching with $$CN^-$$ ion. Silver is later recovered by